[jira] [Commented] (SPARK-14347) Require Java 8 for Spark 2.x

["Michel Lemay (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-14347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15224804#comment-15224804 ] 

Michel Lemay commented on SPARK-14347:
--------------------------------------

Update JavaTypeInference class to support new DateTime types in java 8.

> Require Java 8 for Spark 2.x
> ----------------------------
>
>                 Key: SPARK-14347
>                 URL: https://issues.apache.org/jira/browse/SPARK-14347
>             Project: Spark
>          Issue Type: Sub-task
>          Components: MLlib, Spark Core, SQL, Streaming
>    Affects Versions: 2.0.0
>            Reporter: Sean Owen
>
> Putting this down as a JIRA to advance the discussion -- I think this is far enough along to consensus for that.
> The change here is to require Java 8. This means:
> - Require Java 8 in the build
> - Only build and test with Java 8, removing other older Jenkins configs
> - Remove MaxPermSize
> - Remove reflection to use Java 8-only methods
> - Move external/java8-tests to core/streaming and remove profile
> And optionally:
> - Update all Java 8 code to take advantage of 8+ features, like lambdas, for simplification



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